* {
    padding: 0;
    margin: 0;
    list-style: none;
}

.copyright {
    position: fixed;
    z-index: 9999999
}

h3 {
    text-align: center;
}

p {
    text-align: center;
}

ul {
    width: 400px;
    height: 400px;
    border: 1px solid #000;
    margin: 25px auto 5px;
    position: relative;
}

li {
    width: 10px;
    height: 10px;
    background: #999;
    border-radius: 3px;
    position: absolute;
    transition: all 60ms linear;
}

.header {
    background: green;
}

.food {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    position: absolute;
    z-index: -999;
}

.well {
    width: 10px;
    height: 10px;
    position: absolute;
}

button {
    margin:5px 0;
}